Add a callback event?

[jmraker]

Adding an optional callback/event that passes the 3+ numbers (and maybe the process handle) when needed might be useful for those who want to customize the output to
. Add ANSI colors
. Put the info into a GUI
. Reword/translate something or represent it as ASCII art.
. Remove or re-arrange things

[CrypticSignal]

Just to make sure I understand correctly, you want the run_ffmpeg_show_progress function to accept another argument which is a custom function that you make. So I change my function definition to:

def run_ffmpeg_show_progress(command, ffmpeg_loglevel="info", progress_handler=None)

You create a function that defines what to do with the percentage progress, speed and ETA:

def handle_progress_info(progress, speed, eta):
    # blah blah...

And then you call my function like so:

def run_ffmpeg_show_progress(command, ffmpeg_loglevel="info", progress_handler=handle_progress_info)

I'll add this ability and let you know when the update has been pushed.

[jmraker]

Yes, if that's the best python way. I'm not a python expert but I was thinking the parameters could be an object. If you have the need to add more info to it, hopefully if wouldn't automatically break the callback that way.

def handle_progress_info(progress):
    if (progress.percent > 50):
        blah()
    if(progress.eta > 1000 * 60):  # Don't wait more than 1000 hours!
        progress.process.terminate()

[CrypticSignal]

Update pushed. Run pip3 install --upgrade better-ffmpeg-progress to test and check out the updated README as the way to use this module has changed: https://github.com/CrypticSignal/better-ffmpeg-progress#readme

Let me know if this new feature works as you want it to.